221210013422 has 8 divisors (see below), whose sum is σ = 332410739976. Its totient is φ = 110406433432.

The previous prime is 221210013403. The next prime is 221210013473. The reversal of 221210013422 is 224310012122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×221210013422² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221210013394 and 221210013403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99285248 + ... + 99287475.

It is an arithmetic number, because the mean of its divisors is an integer number (41551342497).

Almost surely, 2^221210013422 is an apocalyptic number.

221210013422 is a deficient number, since it is larger than the sum of its proper divisors (111200726554).

221210013422 is a wasteful number, since it uses less digits than its factorization.

221210013422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198573282.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 221210013422 its reverse (224310012122), we get a palindrome (445520025544).

The spelling of 221210013422 in words is "two hundred twenty-one billion, two hundred ten million, thirteen thousand, four hundred twenty-two".